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annotate src/event/quic/ngx_event_quic_transport.c @ 8757:dcc57827098d quic

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QUIC: fixed parsing of unknown frame types. The ngx_quic_frame_allowed() function only expects known frame types.
author Vladimir Homutov <vl@nginx.com>
date Mon, 19 Apr 2021 11:36:41 +0300
parents b4e6b7049984
children 17492dfd4744
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1
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <ngx_event_quic_connection.h>
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13 #define NGX_QUIC_LONG_DCID_LEN_OFFSET 5
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14 #define NGX_QUIC_LONG_DCID_OFFSET 6
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15 #define NGX_QUIC_SHORT_DCID_OFFSET 1
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16
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17
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18 #if (NGX_HAVE_NONALIGNED)
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19
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20 #define ngx_quic_parse_uint16(p) ntohs(*(uint16_t *) (p))
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21 #define ngx_quic_parse_uint32(p) ntohl(*(uint32_t *) (p))
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22
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23 #define ngx_quic_write_uint16 ngx_quic_write_uint16_aligned
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24 #define ngx_quic_write_uint32 ngx_quic_write_uint32_aligned
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25
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26 #else
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27
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28 #define ngx_quic_parse_uint16(p) ((p)[0] << 8 | (p)[1])
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29 #define ngx_quic_parse_uint32(p) \
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30 ((uint32_t) (p)[0] << 24 | (p)[1] << 16 | (p)[2] << 8 | (p)[3])
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31
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32 #define ngx_quic_write_uint16(p, s) \
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33 ((p)[0] = (u_char) ((s) >> 8), \
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34 (p)[1] = (u_char) (s), \
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35 (p) + sizeof(uint16_t))
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36
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37 #define ngx_quic_write_uint32(p, s) \
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38 ((p)[0] = (u_char) ((s) >> 24), \
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39 (p)[1] = (u_char) ((s) >> 16), \
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40 (p)[2] = (u_char) ((s) >> 8), \
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41 (p)[3] = (u_char) (s), \
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42 (p) + sizeof(uint32_t))
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43
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44 #endif
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45
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46 #define ngx_quic_write_uint64(p, s) \
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47 ((p)[0] = (u_char) ((s) >> 56), \
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48 (p)[1] = (u_char) ((s) >> 48), \
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49 (p)[2] = (u_char) ((s) >> 40), \
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50 (p)[3] = (u_char) ((s) >> 32), \
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51 (p)[4] = (u_char) ((s) >> 24), \
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52 (p)[5] = (u_char) ((s) >> 16), \
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53 (p)[6] = (u_char) ((s) >> 8), \
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54 (p)[7] = (u_char) (s), \
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55 (p) + sizeof(uint64_t))
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56
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57 #define ngx_quic_write_uint24(p, s) \
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58 ((p)[0] = (u_char) ((s) >> 16), \
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59 (p)[1] = (u_char) ((s) >> 8), \
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60 (p)[2] = (u_char) (s), \
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61 (p) + 3)
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62
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63 #define ngx_quic_write_uint16_aligned(p, s) \
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64 (*(uint16_t *) (p) = htons((uint16_t) (s)), (p) + sizeof(uint16_t))
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65
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66 #define ngx_quic_write_uint32_aligned(p, s) \
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67 (*(uint32_t *) (p) = htonl((uint32_t) (s)), (p) + sizeof(uint32_t))
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68
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69 #define NGX_QUIC_VERSION(c) (0xff000000 + (c))
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71
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72 static u_char *ngx_quic_parse_int(u_char *pos, u_char *end, uint64_t *out);
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73 static ngx_uint_t ngx_quic_varint_len(uint64_t value);
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74 static void ngx_quic_build_int(u_char **pos, uint64_t value);
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75
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76 static u_char *ngx_quic_read_uint8(u_char *pos, u_char *end, uint8_t *value);
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77 static u_char *ngx_quic_read_uint32(u_char *pos, u_char *end, uint32_t *value);
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78 static u_char *ngx_quic_read_bytes(u_char *pos, u_char *end, size_t len,
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79 u_char **out);
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80 static u_char *ngx_quic_copy_bytes(u_char *pos, u_char *end, size_t len,
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81 u_char *dst);
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82
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83 static ngx_int_t ngx_quic_parse_short_header(ngx_quic_header_t *pkt,
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84 size_t dcid_len);
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85 static ngx_int_t ngx_quic_parse_long_header(ngx_quic_header_t *pkt);
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86 static ngx_int_t ngx_quic_supported_version(uint32_t version);
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87 static ngx_int_t ngx_quic_parse_long_header_v1(ngx_quic_header_t *pkt);
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88
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89 static size_t ngx_quic_create_long_header(ngx_quic_header_t *pkt, u_char *out,
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90 size_t pkt_len, u_char **pnp);
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91 static size_t ngx_quic_create_short_header(ngx_quic_header_t *pkt, u_char *out,
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92 size_t pkt_len, u_char **pnp);
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93
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94 static ngx_int_t ngx_quic_frame_allowed(ngx_quic_header_t *pkt,
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95 ngx_uint_t frame_type);
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
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96 static size_t ngx_quic_create_ping(u_char *p);
8657
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97 static size_t ngx_quic_create_ack(u_char *p, ngx_quic_ack_frame_t *ack,
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98 ngx_chain_t *ranges);
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99 static size_t ngx_quic_create_reset_stream(u_char *p,
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100 ngx_quic_reset_stream_frame_t *rs);
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97da6521657c QUIC: send STOP_SENDING on stream closure.
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101 static size_t ngx_quic_create_stop_sending(u_char *p,
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102 ngx_quic_stop_sending_frame_t *ss);
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103 static size_t ngx_quic_create_crypto(u_char *p,
8657
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104 ngx_quic_crypto_frame_t *crypto, ngx_chain_t *data);
8273
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105 static size_t ngx_quic_create_hs_done(u_char *p);
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106 static size_t ngx_quic_create_new_token(u_char *p,
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107 ngx_quic_new_token_frame_t *token);
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108 static size_t ngx_quic_create_stream(u_char *p, ngx_quic_stream_frame_t *sf,
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109 ngx_chain_t *data);
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110 static size_t ngx_quic_create_max_streams(u_char *p,
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111 ngx_quic_max_streams_frame_t *ms);
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f92e583fc256 Better flow control and buffering for QUIC streams.
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112 static size_t ngx_quic_create_max_stream_data(u_char *p,
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113 ngx_quic_max_stream_data_frame_t *ms);
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114 static size_t ngx_quic_create_max_data(u_char *p,
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115 ngx_quic_max_data_frame_t *md);
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47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
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116 static size_t ngx_quic_create_path_challenge(u_char *p,
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117 ngx_quic_path_challenge_frame_t *pc);
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118 static size_t ngx_quic_create_path_response(u_char *p,
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119 ngx_quic_path_challenge_frame_t *pc);
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120 static size_t ngx_quic_create_new_connection_id(u_char *p,
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121 ngx_quic_new_conn_id_frame_t *rcid);
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
122 static size_t ngx_quic_create_retire_connection_id(u_char *p,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
123 ngx_quic_retire_cid_frame_t *rcid);
8692
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8678
diff changeset
124 static size_t ngx_quic_create_close(u_char *p, ngx_quic_frame_t *f);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
125
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
126 static ngx_int_t ngx_quic_parse_transport_param(u_char *p, u_char *end,
f388c0ad3477 Added processing of client transport parameters.
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parents: 8257
diff changeset
127 uint16_t id, ngx_quic_tp_t *dst);
f388c0ad3477 Added processing of client transport parameters.
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parents: 8257
diff changeset
128
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
129
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
130 uint32_t ngx_quic_versions[] = {
8678
3443ee341cc1 QUIC: draft-33 salt and retry keys.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8676
diff changeset
131 /* QUICv1 */
3443ee341cc1 QUIC: draft-33 salt and retry keys.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8676
diff changeset
132 0x00000001,
8625
4416b7ab0a27 QUIC: multiple versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8624
diff changeset
133 NGX_QUIC_VERSION(29),
4416b7ab0a27 QUIC: multiple versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8624
diff changeset
134 NGX_QUIC_VERSION(30),
4416b7ab0a27 QUIC: multiple versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8624
diff changeset
135 NGX_QUIC_VERSION(31),
4416b7ab0a27 QUIC: multiple versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8624
diff changeset
136 NGX_QUIC_VERSION(32),
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
137 };
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
138
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
139 #define NGX_QUIC_NVERSIONS \
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
140 (sizeof(ngx_quic_versions) / sizeof(ngx_quic_versions[0]))
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
141
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
142
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
143 /* literal errors indexed by corresponding value */
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
144 static char *ngx_quic_errors[] = {
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
145 "NO_ERROR",
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
146 "INTERNAL_ERROR",
8440
f9592e804834 QUIC error SERVER_BUSY renamed to CONNECTION_REFUSED in draft-29.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8426
diff changeset
147 "CONNECTION_REFUSED",
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
148 "FLOW_CONTROL_ERROR",
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
149 "STREAM_LIMIT_ERROR",
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
150 "STREAM_STATE_ERROR",
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
151 "FINAL_SIZE_ERROR",
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
152 "FRAME_ENCODING_ERROR",
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
153 "TRANSPORT_PARAMETER_ERROR",
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
154 "CONNECTION_ID_LIMIT_ERROR",
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
155 "PROTOCOL_VIOLATION",
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
156 "INVALID_TOKEN",
8426
6ea2f1daedb5 Introduced connection error APPLICATION_ERROR from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8425
diff changeset
157 "APPLICATION_ERROR",
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
158 "CRYPTO_BUFFER_EXCEEDED",
8444
769d8bdeffb0 Define KEY_UPDATE_ERROR from quic-tls-24.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8440
diff changeset
159 "KEY_UPDATE_ERROR",
8743
168cc2a0f0b6 QUIC: added error codes and messages from latest drafts.
Vladimir Homutov <vl@nginx.com>
parents: 8738
diff changeset
160 "AEAD_LIMIT_REACHED",
168cc2a0f0b6 QUIC: added error codes and messages from latest drafts.
Vladimir Homutov <vl@nginx.com>
parents: 8738
diff changeset
161 "NO_VIABLE_PATH",
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
162 };
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
163
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
164
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
165 static ngx_inline u_char *
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
166 ngx_quic_parse_int(u_char *pos, u_char *end, uint64_t *out)
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
167 {
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
168 u_char *p;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
169 uint64_t value;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
170 ngx_uint_t len;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
171
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
172 if (pos >= end) {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
173 return NULL;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
174 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
175
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
176 p = pos;
8636
ad7ca043edf5 QUIC: microoptimization in varint parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8634
diff changeset
177 len = 1 << (*p >> 6);
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
178
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
179 value = *p++ & 0x3f;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
180
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
181 if ((size_t)(end - p) < (len - 1)) {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
182 return NULL;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
183 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
184
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
185 while (--len) {
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
186 value = (value << 8) + *p++;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
187 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
188
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
189 *out = value;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
190
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
191 return p;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
192 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
193
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
194
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
195 static ngx_inline u_char *
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
196 ngx_quic_read_uint8(u_char *pos, u_char *end, uint8_t *value)
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
197 {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
198 if ((size_t)(end - pos) < 1) {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
199 return NULL;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
200 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
201
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
202 *value = *pos;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
203
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
204 return pos + 1;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
205 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
206
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
207
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
208 static ngx_inline u_char *
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
209 ngx_quic_read_uint32(u_char *pos, u_char *end, uint32_t *value)
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
210 {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
211 if ((size_t)(end - pos) < sizeof(uint32_t)) {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
212 return NULL;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
213 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
214
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
215 *value = ngx_quic_parse_uint32(pos);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
216
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
217 return pos + sizeof(uint32_t);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
218 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
219
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
220
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
221 static ngx_inline u_char *
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
222 ngx_quic_read_bytes(u_char *pos, u_char *end, size_t len, u_char **out)
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
223 {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
224 if ((size_t)(end - pos) < len) {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
225 return NULL;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
226 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
227
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
228 *out = pos;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
229
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
230 return pos + len;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
231 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
232
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
233
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
234 static u_char *
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
235 ngx_quic_copy_bytes(u_char *pos, u_char *end, size_t len, u_char *dst)
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
236 {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
237 if ((size_t)(end - pos) < len) {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
238 return NULL;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
239 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
241 ngx_memcpy(dst, pos, len);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
242
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
243 return pos + len;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
244 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
245
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
246
8671
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
247 static ngx_uint_t
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
248 ngx_quic_varint_len(uint64_t value)
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
249 {
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
250 ngx_uint_t bits;
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
251
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
252 bits = 0;
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
253 while (value >> ((8 << bits) - 2)) {
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
254 bits++;
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
255 }
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
256
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
257 return 1 << bits;
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
258 }
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
259
5247461c17e1 QUIC: fixed -Wtype-limits with GCC <= 5 (ticket #2104).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8657
diff changeset
260
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
261 static void
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
262 ngx_quic_build_int(u_char **pos, uint64_t value)
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
263 {
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
264 u_char *p;
8351
dd84c9cef75b Improved ngx_quic_build_int() code and readability.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8344
diff changeset
265 ngx_uint_t bits, len;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
266
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
267 p = *pos;
8351
dd84c9cef75b Improved ngx_quic_build_int() code and readability.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8344
diff changeset
268 bits = 0;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
269
8351
dd84c9cef75b Improved ngx_quic_build_int() code and readability.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8344
diff changeset
270 while (value >> ((8 << bits) - 2)) {
dd84c9cef75b Improved ngx_quic_build_int() code and readability.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8344
diff changeset
271 bits++;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
272 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
273
8351
dd84c9cef75b Improved ngx_quic_build_int() code and readability.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8344
diff changeset
274 len = (1 << bits);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
275
8351
dd84c9cef75b Improved ngx_quic_build_int() code and readability.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8344
diff changeset
276 while (len--) {
dd84c9cef75b Improved ngx_quic_build_int() code and readability.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8344
diff changeset
277 *p++ = value >> (len * 8);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
278 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
279
8351
dd84c9cef75b Improved ngx_quic_build_int() code and readability.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8344
diff changeset
280 **pos |= bits << 6;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
281 *pos = p;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
282 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
283
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
284
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
285 u_char *
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
286 ngx_quic_error_text(uint64_t error_code)
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
287 {
8447
97adb87f149b Get rid of hardcoded numbers used for quic handshake errors.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8444
diff changeset
288 if (error_code >= NGX_QUIC_ERR_CRYPTO_ERROR) {
97adb87f149b Get rid of hardcoded numbers used for quic handshake errors.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8444
diff changeset
289 return (u_char *) "handshake error";
97adb87f149b Get rid of hardcoded numbers used for quic handshake errors.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8444
diff changeset
290 }
8342
76e8ec502c69 Fixed error descriptions.
Vladimir Homutov <vl@nginx.com>
parents: 8338
diff changeset
291
76e8ec502c69 Fixed error descriptions.
Vladimir Homutov <vl@nginx.com>
parents: 8338
diff changeset
292 if (error_code >= NGX_QUIC_ERR_LAST) {
76e8ec502c69 Fixed error descriptions.
Vladimir Homutov <vl@nginx.com>
parents: 8338
diff changeset
293 return (u_char *) "unknown error";
76e8ec502c69 Fixed error descriptions.
Vladimir Homutov <vl@nginx.com>
parents: 8338
diff changeset
294 }
76e8ec502c69 Fixed error descriptions.
Vladimir Homutov <vl@nginx.com>
parents: 8338
diff changeset
295
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
296 return (u_char *) ngx_quic_errors[error_code];
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
297 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
298
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
299
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
300 ngx_int_t
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
301 ngx_quic_parse_packet(ngx_quic_header_t *pkt)
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
302 {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
303 if (!ngx_quic_long_pkt(pkt->flags)) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
304 pkt->level = ssl_encryption_application;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
305
8569
a6784cf32c13 QUIC: fixed handling of incorrect packets.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
306 if (ngx_quic_parse_short_header(pkt, NGX_QUIC_SERVER_CID_LEN) != NGX_OK)
a6784cf32c13 QUIC: fixed handling of incorrect packets.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
307 {
a6784cf32c13 QUIC: fixed handling of incorrect packets.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
308 return NGX_DECLINED;
a6784cf32c13 QUIC: fixed handling of incorrect packets.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
309 }
a6784cf32c13 QUIC: fixed handling of incorrect packets.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
310
a6784cf32c13 QUIC: fixed handling of incorrect packets.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
311 return NGX_OK;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
312 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
313
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
314 if (ngx_quic_parse_long_header(pkt) != NGX_OK) {
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
315 return NGX_DECLINED;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
316 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
317
8624
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8613
diff changeset
318 if (!ngx_quic_supported_version(pkt->version)) {
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
319 return NGX_ABORT;
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
320 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
321
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
322 if (ngx_quic_parse_long_header_v1(pkt) != NGX_OK) {
8569
a6784cf32c13 QUIC: fixed handling of incorrect packets.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
323 return NGX_DECLINED;
a6784cf32c13 QUIC: fixed handling of incorrect packets.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
324 }
a6784cf32c13 QUIC: fixed handling of incorrect packets.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
325
a6784cf32c13 QUIC: fixed handling of incorrect packets.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
326 return NGX_OK;
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
327 }
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
328
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
329
8640
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
330 static ngx_int_t
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
331 ngx_quic_parse_short_header(ngx_quic_header_t *pkt, size_t dcid_len)
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
332 {
8640
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
333 u_char *p, *end;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
334
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
335 p = pkt->raw->pos;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
336 end = pkt->data + pkt->len;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
337
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
338 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
339 "quic packet rx short flags:%xd", pkt->flags);
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
340
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
341 if (!(pkt->flags & NGX_QUIC_PKT_FIXED_BIT)) {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
342 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic fixed bit is not set");
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
343 return NGX_ERROR;
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
344 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
345
8640
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
346 pkt->dcid.len = dcid_len;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
347
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
348 p = ngx_quic_read_bytes(p, end, dcid_len, &pkt->dcid.data);
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
349 if (p == NULL) {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
350 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
351 "quic packet is too small to read dcid");
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
352 return NGX_ERROR;
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
353 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
354
8640
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
355 pkt->raw->pos = p;
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
356
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
357 return NGX_OK;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
358 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
359
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
360
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8559
diff changeset
361 static ngx_int_t
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
362 ngx_quic_parse_long_header(ngx_quic_header_t *pkt)
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
363 {
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
364 u_char *p, *end;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
365 uint8_t idlen;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
366
8559
a89a58c642ef QUIC: simplified packet header parsing.
Vladimir Homutov <vl@nginx.com>
parents: 8558
diff changeset
367 p = pkt->raw->pos;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
368 end = pkt->data + pkt->len;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
369
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
370 p = ngx_quic_read_uint32(p, end, &pkt->version);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
371 if (p == NULL) {
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8273
diff changeset
372 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
373 "quic packet is too small to read version");
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
374 return NGX_ERROR;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
375 }
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
376
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
377 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
8609
f32740ddd484 QUIC: got rid of "pkt" abbreviation in logs.
Vladimir Homutov <vl@nginx.com>
parents: 8608
diff changeset
378 "quic packet rx long flags:%xd version:%xD",
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8358
diff changeset
379 pkt->flags, pkt->version);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
380
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
381 if (!(pkt->flags & NGX_QUIC_PKT_FIXED_BIT)) {
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
382 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic fixed bit is not set");
8533
62b58f0a4711 QUIC: discard incorrect packets instead of closing the connection.
Vladimir Homutov <vl@nginx.com>
parents: 8531
diff changeset
383 return NGX_ERROR;
8386
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
384 }
81f85c479d7e Discard packets without fixed bit or reserved bits set.
Vladimir Homutov <vl@nginx.com>
parents: 8385
diff changeset
385
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
386 p = ngx_quic_read_uint8(p, end, &idlen);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
387 if (p == NULL) {
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8273
diff changeset
388 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
389 "quic packet is too small to read dcid len");
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
390 return NGX_ERROR;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
391 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
392
8387
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
393 if (idlen > NGX_QUIC_CID_LEN_MAX) {
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
394 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
395 "quic packet dcid is too long");
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
396 return NGX_ERROR;
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
397 }
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
398
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
399 pkt->dcid.len = idlen;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
400
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
401 p = ngx_quic_read_bytes(p, end, idlen, &pkt->dcid.data);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
402 if (p == NULL) {
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8273
diff changeset
403 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
404 "quic packet is too small to read dcid");
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
405 return NGX_ERROR;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
406 }
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
407
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
408 p = ngx_quic_read_uint8(p, end, &idlen);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
409 if (p == NULL) {
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8273
diff changeset
410 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
411 "quic packet is too small to read scid len");
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
412 return NGX_ERROR;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
413 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
414
8387
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
415 if (idlen > NGX_QUIC_CID_LEN_MAX) {
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
416 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
417 "quic packet scid is too long");
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
418 return NGX_ERROR;
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
419 }
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
420
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
421 pkt->scid.len = idlen;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
422
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
423 p = ngx_quic_read_bytes(p, end, idlen, &pkt->scid.data);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
424 if (p == NULL) {
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8273
diff changeset
425 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
426 "quic packet is too small to read scid");
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
427 return NGX_ERROR;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
428 }
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
429
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
430 pkt->raw->pos = p;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
431
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
432 return NGX_OK;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
433 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
434
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
435
8640
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
436 static ngx_int_t
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
437 ngx_quic_supported_version(uint32_t version)
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
438 {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
439 ngx_uint_t i;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
440
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
441 for (i = 0; i < NGX_QUIC_NVERSIONS; i++) {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
442 if (ngx_quic_versions[i] == version) {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
443 return 1;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
444 }
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
445 }
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
446
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
447 return 0;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
448 }
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
449
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
450
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
451 static ngx_int_t
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
452 ngx_quic_parse_long_header_v1(ngx_quic_header_t *pkt)
8640
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
453 {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
454 u_char *p, *end;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
455 uint64_t varint;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
456
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
457 p = pkt->raw->pos;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
458 end = pkt->raw->last;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
459
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
460 pkt->log->action = "parsing quic long header";
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
461
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
462 if (ngx_quic_pkt_in(pkt->flags)) {
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
463
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
464 if (pkt->len < NGX_QUIC_MIN_INITIAL_SIZE) {
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
465 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
466 "quic UDP datagram is too small for initial packet");
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
467 return NGX_DECLINED;
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
468 }
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
469
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
470 p = ngx_quic_parse_int(p, end, &varint);
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
471 if (p == NULL) {
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
472 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
473 "quic failed to parse token length");
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
474 return NGX_ERROR;
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
475 }
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
476
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
477 pkt->token.len = varint;
8640
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
478
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
479 p = ngx_quic_read_bytes(p, end, pkt->token.len, &pkt->token.data);
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
480 if (p == NULL) {
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
481 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
482 "quic packet too small to read token data");
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
483 return NGX_ERROR;
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
484 }
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
485
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
486 pkt->level = ssl_encryption_initial;
8640
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
487
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
488 } else if (ngx_quic_pkt_zrtt(pkt->flags)) {
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
489 pkt->level = ssl_encryption_early_data;
8640
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
490
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
491 } else if (ngx_quic_pkt_hs(pkt->flags)) {
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
492 pkt->level = ssl_encryption_handshake;
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
493
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
494 } else {
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8700
diff changeset
495 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8700
diff changeset
496 "quic bad packet type");
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8700
diff changeset
497 return NGX_DECLINED;
8640
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
498 }
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
499
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
500 p = ngx_quic_parse_int(p, end, &varint);
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
501 if (p == NULL) {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
502 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic bad packet length");
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
503 return NGX_ERROR;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
504 }
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
505
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
506 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
507 "quic packet rx %s len:%uL",
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
508 ngx_quic_level_name(pkt->level), varint);
8640
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
509
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
510 if (varint > (uint64_t) ((pkt->data + pkt->len) - p)) {
8641
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
511 ngx_log_error(NGX_LOG_INFO, pkt->log, 0, "quic truncated %s packet",
fe53def49945 QUIC: refactored long header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8640
diff changeset
512 ngx_quic_level_name(pkt->level));
8640
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
513 return NGX_ERROR;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
514 }
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
515
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
516 pkt->raw->pos = p;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
517 pkt->len = p + varint - pkt->data;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
518
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
519 return NGX_OK;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
520 }
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
521
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
522
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
523 ngx_int_t
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
524 ngx_quic_get_packet_dcid(ngx_log_t *log, u_char *data, size_t n,
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
525 ngx_str_t *dcid)
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
526 {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
527 size_t len, offset;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
528
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
529 if (n == 0) {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
530 goto failed;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
531 }
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
532
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
533 if (ngx_quic_long_pkt(*data)) {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
534 if (n < NGX_QUIC_LONG_DCID_LEN_OFFSET + 1) {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
535 goto failed;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
536 }
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
537
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
538 len = data[NGX_QUIC_LONG_DCID_LEN_OFFSET];
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
539 offset = NGX_QUIC_LONG_DCID_OFFSET;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
540
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
541 } else {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
542 len = NGX_QUIC_SERVER_CID_LEN;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
543 offset = NGX_QUIC_SHORT_DCID_OFFSET;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
544 }
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
545
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
546 if (n < len + offset) {
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
547 goto failed;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
548 }
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
549
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
550 dcid->len = len;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
551 dcid->data = &data[offset];
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
552
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
553 return NGX_OK;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
554
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
555 failed:
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
556
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
557 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, log, 0, "quic malformed packet");
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
558
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
559 return NGX_ERROR;
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
560 }
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
561
46374c3fee3f QUIC: sorted header parsing functions in order of appearance.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8636
diff changeset
562
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
563 size_t
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
564 ngx_quic_create_version_negotiation(ngx_quic_header_t *pkt, u_char *out)
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
565 {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
566 u_char *p, *start;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
567 ngx_uint_t i;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
568
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
569 p = start = out;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
570
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
571 *p++ = pkt->flags;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
572
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
573 /*
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
574 * The Version field of a Version Negotiation packet
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
575 * MUST be set to 0x00000000
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
576 */
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
577 p = ngx_quic_write_uint32(p, 0);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
578
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
579 *p++ = pkt->dcid.len;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
580 p = ngx_cpymem(p, pkt->dcid.data, pkt->dcid.len);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
581
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
582 *p++ = pkt->scid.len;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
583 p = ngx_cpymem(p, pkt->scid.data, pkt->scid.len);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
584
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
585 for (i = 0; i < NGX_QUIC_NVERSIONS; i++) {
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
586 p = ngx_quic_write_uint32(p, ngx_quic_versions[i]);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
587 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
588
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
589 return p - start;
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
590 }
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
591
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
592
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8499
diff changeset
593 size_t
8642
05b1ee464350 QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8641
diff changeset
594 ngx_quic_create_header(ngx_quic_header_t *pkt, u_char *out, size_t pkt_len,
05b1ee464350 QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8641
diff changeset
595 u_char **pnp)
05b1ee464350 QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8641
diff changeset
596 {
05b1ee464350 QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8641
diff changeset
597 return ngx_quic_short_pkt(pkt->flags)
05b1ee464350 QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8641
diff changeset
598 ? ngx_quic_create_short_header(pkt, out, pkt_len, pnp)
05b1ee464350 QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8641
diff changeset
599 : ngx_quic_create_long_header(pkt, out, pkt_len, pnp);
05b1ee464350 QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8641
diff changeset
600 }
05b1ee464350 QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8641
diff changeset
601
05b1ee464350 QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8641
diff changeset
602
05b1ee464350 QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8641
diff changeset
603 static size_t
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
604 ngx_quic_create_long_header(ngx_quic_header_t *pkt, u_char *out,
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
605 size_t pkt_len, u_char **pnp)
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
606 {
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
607 u_char *p, *start;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
608
8594
ee06a813756c QUIC: teach how to compute only the length of created QUIC headers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8593
diff changeset
609 if (out == NULL) {
ee06a813756c QUIC: teach how to compute only the length of created QUIC headers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8593
diff changeset
610 return 5 + 2 + pkt->dcid.len + pkt->scid.len
ee06a813756c QUIC: teach how to compute only the length of created QUIC headers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8593
diff changeset
611 + ngx_quic_varint_len(pkt_len + pkt->num_len) + pkt->num_len
ee06a813756c QUIC: teach how to compute only the length of created QUIC headers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8593
diff changeset
612 + (pkt->level == ssl_encryption_initial ? 1 : 0);
ee06a813756c QUIC: teach how to compute only the length of created QUIC headers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8593
diff changeset
613 }
ee06a813756c QUIC: teach how to compute only the length of created QUIC headers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8593
diff changeset
614
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
615 p = start = out;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
616
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
617 *p++ = pkt->flags;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
618
8624
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8613
diff changeset
619 p = ngx_quic_write_uint32(p, pkt->version);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
620
8344
e0abe17a2878 Removed source/destination swap from the function creating header.
Vladimir Homutov <vl@nginx.com>
parents: 8342
diff changeset
621 *p++ = pkt->dcid.len;
e0abe17a2878 Removed source/destination swap from the function creating header.
Vladimir Homutov <vl@nginx.com>
parents: 8342
diff changeset
622 p = ngx_cpymem(p, pkt->dcid.data, pkt->dcid.len);
e0abe17a2878 Removed source/destination swap from the function creating header.
Vladimir Homutov <vl@nginx.com>
parents: 8342
diff changeset
623
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
624 *p++ = pkt->scid.len;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
625 p = ngx_cpymem(p, pkt->scid.data, pkt->scid.len);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
626
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
627 if (pkt->level == ssl_encryption_initial) {
8593
d8a0bb1e85bf QUIC: simplified ngx_quic_create_long_header().
Sergey Kandaurov <pluknet@nginx.com>
parents: 8589
diff changeset
628 ngx_quic_build_int(&p, 0);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
629 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
630
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
631 ngx_quic_build_int(&p, pkt_len + pkt->num_len);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
632
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
633 *pnp = p;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
634
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
635 switch (pkt->num_len) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
636 case 1:
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
637 *p++ = pkt->trunc;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
638 break;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
639 case 2:
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
640 p = ngx_quic_write_uint16(p, pkt->trunc);
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
641 break;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
642 case 3:
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
643 p = ngx_quic_write_uint24(p, pkt->trunc);
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
644 break;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
645 case 4:
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
646 p = ngx_quic_write_uint32(p, pkt->trunc);
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
647 break;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
648 }
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
649
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
650 return p - start;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
651 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
652
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
653
8642
05b1ee464350 QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8641
diff changeset
654 static size_t
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
655 ngx_quic_create_short_header(ngx_quic_header_t *pkt, u_char *out,
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
656 size_t pkt_len, u_char **pnp)
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
657 {
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
658 u_char *p, *start;
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
659
8594
ee06a813756c QUIC: teach how to compute only the length of created QUIC headers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8593
diff changeset
660 if (out == NULL) {
ee06a813756c QUIC: teach how to compute only the length of created QUIC headers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8593
diff changeset
661 return 1 + pkt->dcid.len + pkt->num_len;
ee06a813756c QUIC: teach how to compute only the length of created QUIC headers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8593
diff changeset
662 }
ee06a813756c QUIC: teach how to compute only the length of created QUIC headers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8593
diff changeset
663
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
664 p = start = out;
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
665
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
666 *p++ = pkt->flags;
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
667
8344
e0abe17a2878 Removed source/destination swap from the function creating header.
Vladimir Homutov <vl@nginx.com>
parents: 8342
diff changeset
668 p = ngx_cpymem(p, pkt->dcid.data, pkt->dcid.len);
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
669
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
670 *pnp = p;
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
671
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
672 switch (pkt->num_len) {
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
673 case 1:
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
674 *p++ = pkt->trunc;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
675 break;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
676 case 2:
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
677 p = ngx_quic_write_uint16(p, pkt->trunc);
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
678 break;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
679 case 3:
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
680 p = ngx_quic_write_uint24(p, pkt->trunc);
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
681 break;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
682 case 4:
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
683 p = ngx_quic_write_uint32(p, pkt->trunc);
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
684 break;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
685 }
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
686
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
687 return p - start;
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
688 }
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
689
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8277
diff changeset
690
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
691 size_t
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
692 ngx_quic_create_retry_itag(ngx_quic_header_t *pkt, u_char *out,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
693 u_char **start)
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
694 {
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
695 u_char *p;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
696
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
697 p = out;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
698
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
699 *p++ = pkt->odcid.len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
700 p = ngx_cpymem(p, pkt->odcid.data, pkt->odcid.len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
701
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
702 *start = p;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
703
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
704 *p++ = 0xff;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
705
8624
340cd26158fb QUIC: preparatory changes for multiple QUIC versions support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8613
diff changeset
706 p = ngx_quic_write_uint32(p, pkt->version);
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
707
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
708 *p++ = pkt->dcid.len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
709 p = ngx_cpymem(p, pkt->dcid.data, pkt->dcid.len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
710
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
711 *p++ = pkt->scid.len;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
712 p = ngx_cpymem(p, pkt->scid.data, pkt->scid.len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
713
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
714 p = ngx_cpymem(p, pkt->token.data, pkt->token.len);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
715
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
716 return p - out;
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
717 }
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
718
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
719
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
720 #define ngx_quic_stream_bit_off(val) (((val) & 0x04) ? 1 : 0)
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
721 #define ngx_quic_stream_bit_len(val) (((val) & 0x02) ? 1 : 0)
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
722 #define ngx_quic_stream_bit_fin(val) (((val) & 0x01) ? 1 : 0)
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
723
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
724 ssize_t
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
725 ngx_quic_parse_frame(ngx_quic_header_t *pkt, u_char *start, u_char *end,
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
726 ngx_quic_frame_t *f)
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
727 {
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
728 u_char *p;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
729 uint64_t varint;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
730 ngx_buf_t *b;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
731 ngx_uint_t i;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
732
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
733 b = f->data->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
734
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
735 p = start;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
736
8242
83a78cca8bce Fixed build.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8241
diff changeset
737 p = ngx_quic_parse_int(p, end, &varint);
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
738 if (p == NULL) {
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
739 pkt->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8273
diff changeset
740 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8700
diff changeset
741 "quic failed to obtain quic frame type");
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
742 return NGX_ERROR;
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
743 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
744
8757
dcc57827098d QUIC: fixed parsing of unknown frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
745 if (varint > NGX_QUIC_FT_LAST) {
dcc57827098d QUIC: fixed parsing of unknown frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
746 pkt->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
dcc57827098d QUIC: fixed parsing of unknown frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
747 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
dcc57827098d QUIC: fixed parsing of unknown frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
748 "quic unknown frame type 0x%xL", varint);
dcc57827098d QUIC: fixed parsing of unknown frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
749 return NGX_ERROR;
dcc57827098d QUIC: fixed parsing of unknown frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
750 }
dcc57827098d QUIC: fixed parsing of unknown frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8755
diff changeset
751
8242
83a78cca8bce Fixed build.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8241
diff changeset
752 f->type = varint;
83a78cca8bce Fixed build.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8241
diff changeset
753
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
754 if (ngx_quic_frame_allowed(pkt, f->type) != NGX_OK) {
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
755 pkt->error = NGX_QUIC_ERR_PROTOCOL_VIOLATION;
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
756 return NGX_ERROR;
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
757 }
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
758
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
759 switch (f->type) {
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
760
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
761 case NGX_QUIC_FT_CRYPTO:
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
762
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
763 p = ngx_quic_parse_int(p, end, &f->u.crypto.offset);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
764 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
765 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
766 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
767
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
768 p = ngx_quic_parse_int(p, end, &f->u.crypto.length);
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
769 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
770 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
771 }
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
772
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
773 p = ngx_quic_read_bytes(p, end, f->u.crypto.length, &b->pos);
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
774 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
775 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
776 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
777
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
778 b->last = p;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
779
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
780 break;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
781
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
782 case NGX_QUIC_FT_PADDING:
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
783
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
784 while (p < end && *p == NGX_QUIC_FT_PADDING) {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
785 p++;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
786 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
787
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
788 break;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
789
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
790 case NGX_QUIC_FT_ACK:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
791 case NGX_QUIC_FT_ACK_ECN:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
792
8357
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
793 if (!((p = ngx_quic_parse_int(p, end, &f->u.ack.largest))
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
794 && (p = ngx_quic_parse_int(p, end, &f->u.ack.delay))
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
795 && (p = ngx_quic_parse_int(p, end, &f->u.ack.range_count))
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
796 && (p = ngx_quic_parse_int(p, end, &f->u.ack.first_range))))
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
797 {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
798 goto error;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
799 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
800
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
801 b->pos = p;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
802
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
803 /* process all ranges to get bounds, values are ignored */
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
804 for (i = 0; i < f->u.ack.range_count; i++) {
8357
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
805
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
806 p = ngx_quic_parse_int(p, end, &varint);
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
807 if (p) {
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
808 p = ngx_quic_parse_int(p, end, &varint);
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
809 }
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
810
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
811 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
812 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
813 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
814 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
815
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
816 b->last = p;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
817
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
818 f->u.ack.ranges_length = b->last - b->pos;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
819
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
820 if (f->type == NGX_QUIC_FT_ACK_ECN) {
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
821
8357
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
822 if (!((p = ngx_quic_parse_int(p, end, &f->u.ack.ect0))
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
823 && (p = ngx_quic_parse_int(p, end, &f->u.ack.ect1))
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
824 && (p = ngx_quic_parse_int(p, end, &f->u.ack.ce))))
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
825 {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
826 goto error;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
827 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
828
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
829 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, pkt->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
830 "quic ACK ECN counters ect0:%uL ect1:%uL ce:%uL",
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
831 f->u.ack.ect0, f->u.ack.ect1, f->u.ack.ce);
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
832 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
833
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
834 break;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
835
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
836 case NGX_QUIC_FT_PING:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
837 break;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
838
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
839 case NGX_QUIC_FT_NEW_CONNECTION_ID:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
840
8357
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
841 p = ngx_quic_parse_int(p, end, &f->u.ncid.seqnum);
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
842 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
843 goto error;
8357
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
844 }
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
845
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
846 p = ngx_quic_parse_int(p, end, &f->u.ncid.retire);
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
847 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
848 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
849 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
850
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
851 if (f->u.ncid.retire > f->u.ncid.seqnum) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
852 goto error;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
853 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
854
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
855 p = ngx_quic_read_uint8(p, end, &f->u.ncid.len);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
856 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
857 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
858 }
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
859
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
860 if (f->u.ncid.len < 1 || f->u.ncid.len > NGX_QUIC_CID_LEN_MAX) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
861 goto error;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
862 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
863
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
864 p = ngx_quic_copy_bytes(p, end, f->u.ncid.len, f->u.ncid.cid);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
865 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
866 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
867 }
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
868
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
869 p = ngx_quic_copy_bytes(p, end, NGX_QUIC_SR_TOKEN_LEN, f->u.ncid.srt);
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
870 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
871 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
872 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
873
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
874 break;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
875
8537
88676e7f4449 QUIC: style.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
876 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
88676e7f4449 QUIC: style.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
877
88676e7f4449 QUIC: style.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
878 p = ngx_quic_parse_int(p, end, &f->u.retire_cid.sequence_number);
88676e7f4449 QUIC: style.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
879 if (p == NULL) {
88676e7f4449 QUIC: style.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
880 goto error;
88676e7f4449 QUIC: style.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
881 }
88676e7f4449 QUIC: style.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
882
88676e7f4449 QUIC: style.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
883 break;
88676e7f4449 QUIC: style.
Vladimir Homutov <vl@nginx.com>
parents: 8533
diff changeset
884
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
885 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8447
diff changeset
886 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
887
8250
8f9cb6d66662 Fixed parsing of CONNECTION CLOSE2 frames.
Vladimir Homutov <vl@nginx.com>
parents: 8249
diff changeset
888 p = ngx_quic_parse_int(p, end, &f->u.close.error_code);
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
889 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
890 goto error;
8250
8f9cb6d66662 Fixed parsing of CONNECTION CLOSE2 frames.
Vladimir Homutov <vl@nginx.com>
parents: 8249
diff changeset
891 }
8f9cb6d66662 Fixed parsing of CONNECTION CLOSE2 frames.
Vladimir Homutov <vl@nginx.com>
parents: 8249
diff changeset
892
8f9cb6d66662 Fixed parsing of CONNECTION CLOSE2 frames.
Vladimir Homutov <vl@nginx.com>
parents: 8249
diff changeset
893 if (f->type == NGX_QUIC_FT_CONNECTION_CLOSE) {
8f9cb6d66662 Fixed parsing of CONNECTION CLOSE2 frames.
Vladimir Homutov <vl@nginx.com>
parents: 8249
diff changeset
894 p = ngx_quic_parse_int(p, end, &f->u.close.frame_type);
8256
0a18893299fe Fixed parsing NGX_QUIC_FT_CONNECTION_CLOSE.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8255
diff changeset
895 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
896 goto error;
8256
0a18893299fe Fixed parsing NGX_QUIC_FT_CONNECTION_CLOSE.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8255
diff changeset
897 }
8250
8f9cb6d66662 Fixed parsing of CONNECTION CLOSE2 frames.
Vladimir Homutov <vl@nginx.com>
parents: 8249
diff changeset
898 }
8f9cb6d66662 Fixed parsing of CONNECTION CLOSE2 frames.
Vladimir Homutov <vl@nginx.com>
parents: 8249
diff changeset
899
8254
856d5a2de258 Fixed build with macOS's long long abomination.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8251
diff changeset
900 p = ngx_quic_parse_int(p, end, &varint);
8250
8f9cb6d66662 Fixed parsing of CONNECTION CLOSE2 frames.
Vladimir Homutov <vl@nginx.com>
parents: 8249
diff changeset
901 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
902 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
903 }
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
904
8254
856d5a2de258 Fixed build with macOS's long long abomination.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8251
diff changeset
905 f->u.close.reason.len = varint;
856d5a2de258 Fixed build with macOS's long long abomination.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8251
diff changeset
906
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
907 p = ngx_quic_read_bytes(p, end, f->u.close.reason.len,
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
908 &f->u.close.reason.data);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
909 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
910 goto error;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
911 }
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
912
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
913 break;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
914
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
915 case NGX_QUIC_FT_STREAM0:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
916 case NGX_QUIC_FT_STREAM1:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
917 case NGX_QUIC_FT_STREAM2:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
918 case NGX_QUIC_FT_STREAM3:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
919 case NGX_QUIC_FT_STREAM4:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
920 case NGX_QUIC_FT_STREAM5:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
921 case NGX_QUIC_FT_STREAM6:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
922 case NGX_QUIC_FT_STREAM7:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
923
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
924 f->u.stream.type = f->type;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
925
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
926 f->u.stream.off = ngx_quic_stream_bit_off(f->type);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
927 f->u.stream.len = ngx_quic_stream_bit_len(f->type);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
928 f->u.stream.fin = ngx_quic_stream_bit_fin(f->type);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
929
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
930 p = ngx_quic_parse_int(p, end, &f->u.stream.stream_id);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
931 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
932 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
933 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
934
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
935 if (f->type & 0x04) {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
936 p = ngx_quic_parse_int(p, end, &f->u.stream.offset);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
937 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
938 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
939 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
940
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
941 } else {
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
942 f->u.stream.offset = 0;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
943 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
944
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
945 if (f->type & 0x02) {
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
946 p = ngx_quic_parse_int(p, end, &f->u.stream.length);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
947 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
948 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
949 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
950
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
951 } else {
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
952 f->u.stream.length = end - p; /* up to packet end */
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
953 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
954
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
955 p = ngx_quic_read_bytes(p, end, f->u.stream.length, &b->pos);
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
956 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
957 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
958 }
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
959
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
960 b->last = p;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
961 break;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
962
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
963 case NGX_QUIC_FT_MAX_DATA:
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
964
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
965 p = ngx_quic_parse_int(p, end, &f->u.max_data.max_data);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
966 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
967 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
968 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
969
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
970 break;
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
971
8231
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
972 case NGX_QUIC_FT_RESET_STREAM:
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
973
8357
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
974 if (!((p = ngx_quic_parse_int(p, end, &f->u.reset_stream.id))
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
975 && (p = ngx_quic_parse_int(p, end, &f->u.reset_stream.error_code))
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
976 && (p = ngx_quic_parse_int(p, end,
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
977 &f->u.reset_stream.final_size))))
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
978 {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
979 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
980 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
981
8231
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
982 break;
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
983
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
984 case NGX_QUIC_FT_STOP_SENDING:
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
985
8357
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
986 p = ngx_quic_parse_int(p, end, &f->u.stop_sending.id);
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
987 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
988 goto error;
8357
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
989 }
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
990
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
991 p = ngx_quic_parse_int(p, end, &f->u.stop_sending.error_code);
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
992 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
993 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
994 }
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
995
8231
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
996 break;
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
997
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
998 case NGX_QUIC_FT_STREAMS_BLOCKED:
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
999 case NGX_QUIC_FT_STREAMS_BLOCKED2:
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
1000
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
1001 p = ngx_quic_parse_int(p, end, &f->u.streams_blocked.limit);
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
1002 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1003 goto error;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
1004 }
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
1005
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
1006 f->u.streams_blocked.bidi =
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
1007 (f->type == NGX_QUIC_FT_STREAMS_BLOCKED) ? 1 : 0;
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
1008 break;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8235
diff changeset
1009
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
1010 case NGX_QUIC_FT_MAX_STREAMS:
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
1011 case NGX_QUIC_FT_MAX_STREAMS2:
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1012
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1013 p = ngx_quic_parse_int(p, end, &f->u.max_streams.limit);
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1014 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1015 goto error;
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1016 }
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1017
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1018 f->u.max_streams.bidi = (f->type == NGX_QUIC_FT_MAX_STREAMS) ? 1 : 0;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1019
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1020 break;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1021
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
1022 case NGX_QUIC_FT_MAX_STREAM_DATA:
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1023
8357
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1024 p = ngx_quic_parse_int(p, end, &f->u.max_stream_data.id);
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1025 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1026 goto error;
8357
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1027 }
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1028
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1029 p = ngx_quic_parse_int(p, end, &f->u.max_stream_data.limit);
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1030 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1031 goto error;
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1032 }
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1033
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1034 break;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1035
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
1036 case NGX_QUIC_FT_DATA_BLOCKED:
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1037
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1038 p = ngx_quic_parse_int(p, end, &f->u.data_blocked.limit);
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1039 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1040 goto error;
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1041 }
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1042
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1043 break;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1044
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
1045 case NGX_QUIC_FT_STREAM_DATA_BLOCKED:
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1046
8357
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1047 p = ngx_quic_parse_int(p, end, &f->u.stream_data_blocked.id);
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1048 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1049 goto error;
8357
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1050 }
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1051
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1052 p = ngx_quic_parse_int(p, end, &f->u.stream_data_blocked.limit);
05b8dd5d9f7e Retired the ngx_quic_parse_int_multi() function.
Vladimir Homutov <vl@nginx.com>
parents: 8356
diff changeset
1053 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1054 goto error;
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1055 }
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1056
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1057 break;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1058
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
1059 case NGX_QUIC_FT_PATH_CHALLENGE:
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1060
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1061 p = ngx_quic_copy_bytes(p, end, 8, f->u.path_challenge.data);
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1062 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1063 goto error;
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1064 }
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1065
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1066 break;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1067
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
1068 case NGX_QUIC_FT_PATH_RESPONSE:
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
1069
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1070 p = ngx_quic_copy_bytes(p, end, 8, f->u.path_response.data);
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1071 if (p == NULL) {
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1072 goto error;
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1073 }
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8256
diff changeset
1074
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
1075 break;
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
1076
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1077 default:
8275
19660929e8ff Logging cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8273
diff changeset
1078 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1079 "quic unknown frame type 0x%xi", f->type);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1080 return NGX_ERROR;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1081 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1082
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
1083 f->level = pkt->level;
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
1084
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1085 return p - start;
8251
c217a907ce42 Added checks for permitted frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8250
diff changeset
1086
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1087 error:
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1088
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
1089 pkt->error = NGX_QUIC_ERR_FRAME_ENCODING_ERROR;
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
1090
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1091 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1092 "quic failed to parse frame type:0x%xi", f->type);
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1093
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1094 return NGX_ERROR;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1095 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1096
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1097
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1098 static ngx_int_t
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1099 ngx_quic_frame_allowed(ngx_quic_header_t *pkt, ngx_uint_t frame_type)
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1100 {
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1101 uint8_t ptype;
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1102
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1103 /* frame permissions per packet: 4 bits: IH01: 12.4, Table 3 */
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1104 static uint8_t ngx_quic_frame_masks[] = {
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1105 /* PADDING */ 0xF,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1106 /* PING */ 0xF,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1107 /* ACK */ 0xD,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1108 /* ACK_ECN */ 0xD,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1109 /* RESET_STREAM */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1110 /* STOP_SENDING */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1111 /* CRYPTO */ 0xD,
8424
c70446e3d771 Treat receipt of NEW_TOKEN as connection error PROTOCOL_VIOLATION.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8422
diff changeset
1112 /* NEW_TOKEN */ 0x0, /* only sent by server */
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1113 /* STREAM0 */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1114 /* STREAM1 */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1115 /* STREAM2 */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1116 /* STREAM3 */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1117 /* STREAM4 */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1118 /* STREAM5 */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1119 /* STREAM6 */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1120 /* STREAM7 */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1121 /* MAX_DATA */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1122 /* MAX_STREAM_DATA */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1123 /* MAX_STREAMS */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1124 /* MAX_STREAMS2 */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1125 /* DATA_BLOCKED */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1126 /* STREAM_DATA_BLOCKED */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1127 /* STREAMS_BLOCKED */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1128 /* STREAMS_BLOCKED2 */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1129 /* NEW_CONNECTION_ID */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1130 /* RETIRE_CONNECTION_ID */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1131 /* PATH_CHALLENGE */ 0x3,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1132 /* PATH_RESPONSE */ 0x3,
8425
3e38dad3a163 Receipt of CONNECTION_CLOSE in 0-RTT is permitted in draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
1133 /* CONNECTION_CLOSE */ 0xF,
3e38dad3a163 Receipt of CONNECTION_CLOSE in 0-RTT is permitted in draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8424
diff changeset
1134 /* CONNECTION_CLOSE2 */ 0x3,
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1135 /* HANDSHAKE_DONE */ 0x0, /* only sent by server */
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1136 };
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1137
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1138 if (ngx_quic_long_pkt(pkt->flags)) {
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1139
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1140 if (ngx_quic_pkt_in(pkt->flags)) {
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1141 ptype = 8; /* initial */
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1142
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1143 } else if (ngx_quic_pkt_hs(pkt->flags)) {
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1144 ptype = 4; /* handshake */
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1145
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1146 } else {
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1147 ptype = 2; /* zero-rtt */
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1148 }
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1149
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1150 } else {
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1151 ptype = 1; /* application data */
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1152 }
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1153
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1154 if (ptype & ngx_quic_frame_masks[frame_type]) {
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1155 return NGX_OK;
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1156 }
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1157
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1158 ngx_log_error(NGX_LOG_INFO, pkt->log, 0,
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1159 "quic frame type 0x%xi is not "
8478
d2f716e668e8 Fixed format specifiers.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8470
diff changeset
1160 "allowed in packet with flags 0x%xd",
8370
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1161 frame_type, pkt->flags);
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1162
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1163 return NGX_DECLINED;
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1164 }
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1165
262396242352 Reworked macros for parsing/assembling packet types.
Vladimir Homutov <vl@nginx.com>
parents: 8361
diff changeset
1166
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1167 ssize_t
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
1168 ngx_quic_parse_ack_range(ngx_log_t *log, u_char *start, u_char *end,
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1169 uint64_t *gap, uint64_t *range)
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1170 {
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1171 u_char *p;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1172
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1173 p = start;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1174
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1175 p = ngx_quic_parse_int(p, end, gap);
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1176 if (p == NULL) {
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
1177 ngx_log_error(NGX_LOG_INFO, log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1178 "quic failed to parse ack frame gap");
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1179 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1180 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1181
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1182 p = ngx_quic_parse_int(p, end, range);
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1183 if (p == NULL) {
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
1184 ngx_log_error(NGX_LOG_INFO, log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1185 "quic failed to parse ack frame range");
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1186 return NGX_ERROR;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1187 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1188
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1189 return p - start;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1190 }
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1191
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1192
8613
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1193 size_t
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1194 ngx_quic_create_ack_range(u_char *p, uint64_t gap, uint64_t range)
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1195 {
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1196 size_t len;
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1197 u_char *start;
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1198
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1199 if (p == NULL) {
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1200 len = ngx_quic_varint_len(gap);
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1201 len += ngx_quic_varint_len(range);
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1202 return len;
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1203 }
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1204
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1205 start = p;
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1206
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1207 ngx_quic_build_int(&p, gap);
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1208 ngx_quic_build_int(&p, range);
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1209
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1210 return p - start;
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1211 }
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1212
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8609
diff changeset
1213
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8323
diff changeset
1214 ssize_t
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1215 ngx_quic_create_frame(u_char *p, ngx_quic_frame_t *f)
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1216 {
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1217 /*
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1218 * QUIC-recovery, section 2:
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1219 *
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1220 * Ack-eliciting Frames: All frames other than ACK, PADDING, and
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1221 * CONNECTION_CLOSE are considered ack-eliciting.
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1222 */
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1223 f->need_ack = 1;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1225 switch (f->type) {
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1226 case NGX_QUIC_FT_PING:
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1227 return ngx_quic_create_ping(p);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1228
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1229 case NGX_QUIC_FT_ACK:
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1230 f->need_ack = 0;
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1231 return ngx_quic_create_ack(p, &f->u.ack, f->data);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1232
8703
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1233 case NGX_QUIC_FT_RESET_STREAM:
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1234 return ngx_quic_create_reset_stream(p, &f->u.reset_stream);
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1235
8528
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1236 case NGX_QUIC_FT_STOP_SENDING:
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1237 return ngx_quic_create_stop_sending(p, &f->u.stop_sending);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1238
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1239 case NGX_QUIC_FT_CRYPTO:
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1240 return ngx_quic_create_crypto(p, &f->u.crypto, f->data);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1241
8273
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1242 case NGX_QUIC_FT_HANDSHAKE_DONE:
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1243 return ngx_quic_create_hs_done(p);
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1244
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1245 case NGX_QUIC_FT_NEW_TOKEN:
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1246 return ngx_quic_create_new_token(p, &f->u.token);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1247
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1248 case NGX_QUIC_FT_STREAM0:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1249 case NGX_QUIC_FT_STREAM1:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1250 case NGX_QUIC_FT_STREAM2:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1251 case NGX_QUIC_FT_STREAM3:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1252 case NGX_QUIC_FT_STREAM4:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1253 case NGX_QUIC_FT_STREAM5:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1254 case NGX_QUIC_FT_STREAM6:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1255 case NGX_QUIC_FT_STREAM7:
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1256 return ngx_quic_create_stream(p, &f->u.stream, f->data);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1257
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
1258 case NGX_QUIC_FT_CONNECTION_CLOSE:
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8447
diff changeset
1259 case NGX_QUIC_FT_CONNECTION_CLOSE_APP:
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1260 f->need_ack = 0;
8692
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8678
diff changeset
1261 return ngx_quic_create_close(p, f);
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
1262
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1263 case NGX_QUIC_FT_MAX_STREAMS:
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1264 return ngx_quic_create_max_streams(p, &f->u.max_streams);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1265
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1266 case NGX_QUIC_FT_MAX_STREAM_DATA:
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1267 return ngx_quic_create_max_stream_data(p, &f->u.max_stream_data);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1268
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1269 case NGX_QUIC_FT_MAX_DATA:
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1270 return ngx_quic_create_max_data(p, &f->u.max_data);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1271
8738
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1272 case NGX_QUIC_FT_PATH_CHALLENGE:
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1273 return ngx_quic_create_path_challenge(p, &f->u.path_challenge);
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1274
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1275 case NGX_QUIC_FT_PATH_RESPONSE:
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1276 return ngx_quic_create_path_response(p, &f->u.path_response);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1277
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1278 case NGX_QUIC_FT_NEW_CONNECTION_ID:
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1279 return ngx_quic_create_new_connection_id(p, &f->u.ncid);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1280
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1281 case NGX_QUIC_FT_RETIRE_CONNECTION_ID:
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1282 return ngx_quic_create_retire_connection_id(p, &f->u.retire_cid);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1283
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1284 default:
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1285 /* BUG: unsupported frame type generated */
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1286 return NGX_ERROR;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1287 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1288 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1289
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1290
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1291 static size_t
8698
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1292 ngx_quic_create_ping(u_char *p)
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1293 {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1294 u_char *start;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1295
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1296 if (p == NULL) {
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1297 return ngx_quic_varint_len(NGX_QUIC_FT_PING);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1298 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1299
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1300 start = p;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1301
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1302 ngx_quic_build_int(&p, NGX_QUIC_FT_PING);
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1303
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1304 return p - start;
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1305 }
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1306
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1307
9ed95726b99b QUIC: send PING frames on PTO expiration.
Roman Arutyunyan <arut@nginx.com>
parents: 8692
diff changeset
1308 static size_t
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1309 ngx_quic_create_ack(u_char *p, ngx_quic_ack_frame_t *ack, ngx_chain_t *ranges)
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1310 {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1311 size_t len;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1312 u_char *start;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1313 ngx_buf_t *b;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1314
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1315 if (p == NULL) {
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1316 len = ngx_quic_varint_len(NGX_QUIC_FT_ACK);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1317 len += ngx_quic_varint_len(ack->largest);
8470
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
1318 len += ngx_quic_varint_len(ack->delay);
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8594
diff changeset
1319 len += ngx_quic_varint_len(ack->range_count);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1320 len += ngx_quic_varint_len(ack->first_range);
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1321 len += ack->ranges_length;
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8594
diff changeset
1322
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1323 return len;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1324 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1325
8244
d60205f37f5a Fixed ACKs to packet numbers greater than 63.
Roman Arutyunyan <arut@nginx.com>
parents: 8243
diff changeset
1326 start = p;
d60205f37f5a Fixed ACKs to packet numbers greater than 63.
Roman Arutyunyan <arut@nginx.com>
parents: 8243
diff changeset
1327
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1328 ngx_quic_build_int(&p, NGX_QUIC_FT_ACK);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1329 ngx_quic_build_int(&p, ack->largest);
8470
0d1ad81dd65c QUIC: delay field of an ACK frame is now calculated.
Vladimir Homutov <vl@nginx.com>
parents: 8458
diff changeset
1330 ngx_quic_build_int(&p, ack->delay);
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8594
diff changeset
1331 ngx_quic_build_int(&p, ack->range_count);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
1332 ngx_quic_build_int(&p, ack->first_range);
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1333
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1334 while (ranges) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1335 b = ranges->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1336 p = ngx_cpymem(p, b->pos, b->last - b->pos);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1337 ranges = ranges->next;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1338 }
8596
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8594
diff changeset
1339
8244
d60205f37f5a Fixed ACKs to packet numbers greater than 63.
Roman Arutyunyan <arut@nginx.com>
parents: 8243
diff changeset
1340 return p - start;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1341 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1342
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1343
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1344 static size_t
8703
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1345 ngx_quic_create_reset_stream(u_char *p, ngx_quic_reset_stream_frame_t *rs)
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1346 {
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1347 size_t len;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1348 u_char *start;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1349
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1350 if (p == NULL) {
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1351 len = ngx_quic_varint_len(NGX_QUIC_FT_RESET_STREAM);
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1352 len += ngx_quic_varint_len(rs->id);
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1353 len += ngx_quic_varint_len(rs->error_code);
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1354 len += ngx_quic_varint_len(rs->final_size);
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1355 return len;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1356 }
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1357
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1358 start = p;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1359
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1360 ngx_quic_build_int(&p, NGX_QUIC_FT_RESET_STREAM);
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1361 ngx_quic_build_int(&p, rs->id);
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1362 ngx_quic_build_int(&p, rs->error_code);
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1363 ngx_quic_build_int(&p, rs->final_size);
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1364
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1365 return p - start;
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1366 }
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1367
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1368
d710c457171c QUIC: added ability to reset a stream.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8702
diff changeset
1369 static size_t
8528
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1370 ngx_quic_create_stop_sending(u_char *p, ngx_quic_stop_sending_frame_t *ss)
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1371 {
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1372 size_t len;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1373 u_char *start;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1374
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1375 if (p == NULL) {
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1376 len = ngx_quic_varint_len(NGX_QUIC_FT_STOP_SENDING);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1377 len += ngx_quic_varint_len(ss->id);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1378 len += ngx_quic_varint_len(ss->error_code);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1379 return len;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1380 }
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1381
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1382 start = p;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1383
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1384 ngx_quic_build_int(&p, NGX_QUIC_FT_STOP_SENDING);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1385 ngx_quic_build_int(&p, ss->id);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1386 ngx_quic_build_int(&p, ss->error_code);
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1387
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1388 return p - start;
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1389 }
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1390
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1391
97da6521657c QUIC: send STOP_SENDING on stream closure.
Roman Arutyunyan <arut@nginx.com>
parents: 8525
diff changeset
1392 static size_t
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1393 ngx_quic_create_crypto(u_char *p, ngx_quic_crypto_frame_t *crypto,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1394 ngx_chain_t *data)
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1395 {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1396 size_t len;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1397 u_char *start;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1398 ngx_buf_t *b;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1399
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1400 if (p == NULL) {
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1401 len = ngx_quic_varint_len(NGX_QUIC_FT_CRYPTO);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1402 len += ngx_quic_varint_len(crypto->offset);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
1403 len += ngx_quic_varint_len(crypto->length);
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
1404 len += crypto->length;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1405
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1406 return len;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1407 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1408
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1409 start = p;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1410
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1411 ngx_quic_build_int(&p, NGX_QUIC_FT_CRYPTO);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1412 ngx_quic_build_int(&p, crypto->offset);
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
1413 ngx_quic_build_int(&p, crypto->length);
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1414
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1415 while (data) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1416 b = data->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1417 p = ngx_cpymem(p, b->pos, b->last - b->pos);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1418 data = data->next;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1419 }
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1420
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1421 return p - start;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1422 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1423
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1424
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1425 static size_t
8273
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1426 ngx_quic_create_hs_done(u_char *p)
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1427 {
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1428 u_char *start;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1429
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1430 if (p == NULL) {
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1431 return ngx_quic_varint_len(NGX_QUIC_FT_HANDSHAKE_DONE);
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1432 }
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1433
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1434 start = p;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1435
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1436 ngx_quic_build_int(&p, NGX_QUIC_FT_HANDSHAKE_DONE);
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1437
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1438 return p - start;
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1439 }
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1440
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1441
cb75f194f1f0 Implemented sending HANDSHAKE_DONE frame after handshake.
Vladimir Homutov <vl@nginx.com>
parents: 8269
diff changeset
1442 static size_t
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1443 ngx_quic_create_new_token(u_char *p, ngx_quic_new_token_frame_t *token)
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1444 {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1445 size_t len;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1446 u_char *start;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1447
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1448 if (p == NULL) {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1449 len = ngx_quic_varint_len(NGX_QUIC_FT_NEW_TOKEN);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1450 len += ngx_quic_varint_len(token->length);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1451 len += token->length;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1452
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1453 return len;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1454 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1455
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1456 start = p;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1457
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1458 ngx_quic_build_int(&p, NGX_QUIC_FT_NEW_TOKEN);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1459 ngx_quic_build_int(&p, token->length);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1460 p = ngx_cpymem(p, token->data, token->length);
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1461
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1462 return p - start;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1463 }
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1464
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1465
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
1466 static size_t
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1467 ngx_quic_create_stream(u_char *p, ngx_quic_stream_frame_t *sf,
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1468 ngx_chain_t *data)
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1469 {
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1470 size_t len;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1471 u_char *start;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1472 ngx_buf_t *b;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1473
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1474 if (p == NULL) {
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1475 len = ngx_quic_varint_len(sf->type);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1476
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1477 if (sf->off) {
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1478 len += ngx_quic_varint_len(sf->offset);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1479 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1480
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1481 len += ngx_quic_varint_len(sf->stream_id);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1482
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1483 /* length is always present in generated frames */
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1484 len += ngx_quic_varint_len(sf->length);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1485
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1486 len += sf->length;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1487
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1488 return len;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1489 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1490
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1491 start = p;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1492
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1493 ngx_quic_build_int(&p, sf->type);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1494 ngx_quic_build_int(&p, sf->stream_id);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1495
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1496 if (sf->off) {
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1497 ngx_quic_build_int(&p, sf->offset);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1498 }
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1499
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1500 /* length is always present in generated frames */
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1501 ngx_quic_build_int(&p, sf->length);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1502
8657
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1503 while (data) {
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1504 b = data->buf;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1505 p = ngx_cpymem(p, b->pos, b->last - b->pos);
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1506 data = data->next;
2dfc5ef29973 QUIC: introduced QUIC buffers.
Roman Arutyunyan <arut@nginx.com>
parents: 8651
diff changeset
1507 }
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1508
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1509 return p - start;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
1510 }
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
1511
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
1512
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
1513 static size_t
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1514 ngx_quic_create_max_streams(u_char *p, ngx_quic_max_streams_frame_t *ms)
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1515 {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1516 size_t len;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1517 u_char *start;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1518 ngx_uint_t type;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1519
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1520 type = ms->bidi ? NGX_QUIC_FT_MAX_STREAMS : NGX_QUIC_FT_MAX_STREAMS2;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1521
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1522 if (p == NULL) {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1523 len = ngx_quic_varint_len(type);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1524 len += ngx_quic_varint_len(ms->limit);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1525 return len;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1526 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1527
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1528 start = p;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1529
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1530 ngx_quic_build_int(&p, type);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1531 ngx_quic_build_int(&p, ms->limit);
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1532
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1533 return p - start;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1534 }
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1535
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
1536
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1537 static ngx_int_t
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1538 ngx_quic_parse_transport_param(u_char *p, u_char *end, uint16_t id,
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1539 ngx_quic_tp_t *dst)
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1540 {
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1541 uint64_t varint;
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1542 ngx_str_t str;
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1543
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1544 varint = 0;
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1545 ngx_str_null(&str);
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1546
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1547 switch (id) {
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1548
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1549 case NGX_QUIC_TP_DISABLE_ACTIVE_MIGRATION:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1550 /* zero-length option */
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1551 if (end - p != 0) {
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1552 return NGX_ERROR;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1553 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1554 dst->disable_active_migration = 1;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1555 return NGX_OK;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1556
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1557 case NGX_QUIC_TP_MAX_IDLE_TIMEOUT:
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8414
diff changeset
1558 case NGX_QUIC_TP_MAX_UDP_PAYLOAD_SIZE:
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1559 case NGX_QUIC_TP_INITIAL_MAX_DATA:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1560 case NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_LOCAL:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1561 case NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_REMOTE:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1562 case NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_UNI:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1563 case NGX_QUIC_TP_INITIAL_MAX_STREAMS_BIDI:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1564 case NGX_QUIC_TP_INITIAL_MAX_STREAMS_UNI:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1565 case NGX_QUIC_TP_ACK_DELAY_EXPONENT:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1566 case NGX_QUIC_TP_MAX_ACK_DELAY:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1567 case NGX_QUIC_TP_ACTIVE_CONNECTION_ID_LIMIT:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1568
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1569 p = ngx_quic_parse_int(p, end, &varint);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1570 if (p == NULL) {
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1571 return NGX_ERROR;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1572 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1573 break;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1574
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1575 case NGX_QUIC_TP_INITIAL_SCID:
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1576
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1577 str.len = end - p;
8582
b95aa1cb8f98 QUIC: fixed dead store assignment.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8569
diff changeset
1578 str.data = p;
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1579 break;
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1580
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1581 default:
8262
66f59c67adf4 Skip unknown transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8261
diff changeset
1582 return NGX_DECLINED;
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1583 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1584
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1585 switch (id) {
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1586
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1587 case NGX_QUIC_TP_MAX_IDLE_TIMEOUT:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1588 dst->max_idle_timeout = varint;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1589 break;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1590
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8414
diff changeset
1591 case NGX_QUIC_TP_MAX_UDP_PAYLOAD_SIZE:
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8414
diff changeset
1592 dst->max_udp_payload_size = varint;
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1593 break;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1594
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1595 case NGX_QUIC_TP_INITIAL_MAX_DATA:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1596 dst->initial_max_data = varint;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1597 break;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1598
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1599 case NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_LOCAL:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1600 dst->initial_max_stream_data_bidi_local = varint;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1601 break;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1602
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1603 case NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_REMOTE:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1604 dst->initial_max_stream_data_bidi_remote = varint;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1605 break;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1606
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1607 case NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_UNI:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1608 dst->initial_max_stream_data_uni = varint;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1609 break;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1610
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1611 case NGX_QUIC_TP_INITIAL_MAX_STREAMS_BIDI:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1612 dst->initial_max_streams_bidi = varint;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1613 break;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1614
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1615 case NGX_QUIC_TP_INITIAL_MAX_STREAMS_UNI:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1616 dst->initial_max_streams_uni = varint;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1617 break;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1618
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1619 case NGX_QUIC_TP_ACK_DELAY_EXPONENT:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1620 dst->ack_delay_exponent = varint;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1621 break;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1622
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1623 case NGX_QUIC_TP_MAX_ACK_DELAY:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1624 dst->max_ack_delay = varint;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1625 break;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1626
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1627 case NGX_QUIC_TP_ACTIVE_CONNECTION_ID_LIMIT:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1628 dst->active_connection_id_limit = varint;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1629 break;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1630
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1631 case NGX_QUIC_TP_INITIAL_SCID:
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1632 dst->initial_scid = str;
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1633 break;
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1634
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1635 default:
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1636 return NGX_ERROR;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1637 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1638
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1639 return NGX_OK;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1640 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1641
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1642
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1643 ngx_int_t
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1644 ngx_quic_parse_transport_params(u_char *p, u_char *end, ngx_quic_tp_t *tp,
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1645 ngx_log_t *log)
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1646 {
8356
42198f77ac85 Removed support of drafts older than currently latest 27.
Vladimir Homutov <vl@nginx.com>
parents: 8351
diff changeset
1647 uint64_t id, len;
8262
66f59c67adf4 Skip unknown transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8261
diff changeset
1648 ngx_int_t rc;
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1649
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1650 while (p < end) {
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1651 p = ngx_quic_parse_int(p, end, &id);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1652 if (p == NULL) {
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1653 ngx_log_error(NGX_LOG_INFO, log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1654 "quic failed to parse transport param id");
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1655 return NGX_ERROR;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1656 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1657
8414
49a98760afd2 Rejected forbidden transport parameters with TRANSPORT_PARAMETER_ERROR.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8391
diff changeset
1658 switch (id) {
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1659 case NGX_QUIC_TP_ORIGINAL_DCID:
8414
49a98760afd2 Rejected forbidden transport parameters with TRANSPORT_PARAMETER_ERROR.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8391
diff changeset
1660 case NGX_QUIC_TP_PREFERRED_ADDRESS:
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1661 case NGX_QUIC_TP_RETRY_SCID:
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1662 case NGX_QUIC_TP_SR_TOKEN:
8414
49a98760afd2 Rejected forbidden transport parameters with TRANSPORT_PARAMETER_ERROR.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8391
diff changeset
1663 ngx_log_error(NGX_LOG_INFO, log, 0,
49a98760afd2 Rejected forbidden transport parameters with TRANSPORT_PARAMETER_ERROR.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8391
diff changeset
1664 "quic client sent forbidden transport param"
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1665 " id:0x%xL", id);
8414
49a98760afd2 Rejected forbidden transport parameters with TRANSPORT_PARAMETER_ERROR.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8391
diff changeset
1666 return NGX_ERROR;
49a98760afd2 Rejected forbidden transport parameters with TRANSPORT_PARAMETER_ERROR.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8391
diff changeset
1667 }
49a98760afd2 Rejected forbidden transport parameters with TRANSPORT_PARAMETER_ERROR.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8391
diff changeset
1668
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1669 p = ngx_quic_parse_int(p, end, &len);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1670 if (p == NULL) {
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1671 ngx_log_error(NGX_LOG_INFO, log, 0,
8702
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8700
diff changeset
1672 "quic failed to parse"
d4e02b3b734f QUIC: fixed indentation.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8700
diff changeset
1673 " transport param id:0x%xL length", id);
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1674 return NGX_ERROR;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1675 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1676
8262
66f59c67adf4 Skip unknown transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8261
diff changeset
1677 rc = ngx_quic_parse_transport_param(p, p + len, id, tp);
66f59c67adf4 Skip unknown transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8261
diff changeset
1678
66f59c67adf4 Skip unknown transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8261
diff changeset
1679 if (rc == NGX_ERROR) {
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1680 ngx_log_error(NGX_LOG_INFO, log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1681 "quic failed to parse"
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1682 " transport param id:0x%xL data", id);
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1683 return NGX_ERROR;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1684 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1685
8262
66f59c67adf4 Skip unknown transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8261
diff changeset
1686 if (rc == NGX_DECLINED) {
66f59c67adf4 Skip unknown transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8261
diff changeset
1687 ngx_log_error(NGX_LOG_INFO, log, 0,
8699
e24e5650d7b4 QUIC: distinguish reserved transport parameters in logging.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1688 "quic %s transport param id:0x%xL, skipped",
e24e5650d7b4 QUIC: distinguish reserved transport parameters in logging.
Vladimir Homutov <vl@nginx.com>
parents: 8698
diff changeset
1689 (id % 31 == 27) ? "reserved" : "unknown", id);
8262
66f59c67adf4 Skip unknown transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8261
diff changeset
1690 }
66f59c67adf4 Skip unknown transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8261
diff changeset
1691
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1692 p += len;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1693 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1694
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1695 if (p != end) {
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1696 ngx_log_error(NGX_LOG_INFO, log, 0,
8361
336d527ca031 Error messages cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8360
diff changeset
1697 "quic trailing garbage in"
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1698 " transport parameters: bytes:%ui",
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1699 end - p);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1700 return NGX_ERROR;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1701 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1702
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1703 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8358
diff changeset
1704 "quic transport parameters parsed ok");
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1705
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1706 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0,
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8358
diff changeset
1707 "quic tp disable active migration: %ui",
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1708 tp->disable_active_migration);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1709
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1710 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0, "quic tp idle_timeout:%ui",
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1711 tp->max_idle_timeout);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1712
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8414
diff changeset
1713 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1714 "quic tp max_udp_payload_size:%ui",
8415
125cbfa77013 Renamed max_packet_size to max_udp_payload_size, from draft-28.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8414
diff changeset
1715 tp->max_udp_payload_size);
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1716
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1717 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0, "quic tp max_data:%ui",
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1718 tp->initial_max_data);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1719
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1720 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1721 "quic tp max_stream_data_bidi_local:%ui",
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1722 tp->initial_max_stream_data_bidi_local);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1723
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1724 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1725 "quic tp max_stream_data_bidi_remote:%ui",
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1726 tp->initial_max_stream_data_bidi_remote);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1727
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8358
diff changeset
1728 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1729 "quic tp max_stream_data_uni:%ui",
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1730 tp->initial_max_stream_data_uni);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1731
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1732 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1733 "quic tp initial_max_streams_bidi:%ui",
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1734 tp->initial_max_streams_bidi);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1735
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8358
diff changeset
1736 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1737 "quic tp initial_max_streams_uni:%ui",
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1738 tp->initial_max_streams_uni);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1739
8359
2f900ae486bc Debug cleanup.
Vladimir Homutov <vl@nginx.com>
parents: 8358
diff changeset
1740 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1741 "quic tp ack_delay_exponent:%ui",
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1742 tp->ack_delay_exponent);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1743
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1744 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0, "quic tp max_ack_delay:%ui",
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1745 tp->max_ack_delay);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1746
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1747 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0,
8605
eed49b83e18f QUIC: revised value separators in debug and error messages.
Vladimir Homutov <vl@nginx.com>
parents: 8604
diff changeset
1748 "quic tp active_connection_id_limit:%ui",
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1749 tp->active_connection_id_limit);
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1750
8651
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1751 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0,
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1752 "quic tp initial source_connection_id len:%uz %xV",
dbad2d6d1898 QUIC: removed ngx_quic_hexdump() macro.
Vladimir Homutov <vl@nginx.com>
parents: 8642
diff changeset
1753 tp->initial_scid.len, &tp->initial_scid);
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1754
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1755 return NGX_OK;
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1756 }
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1757
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
1758
8266
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1759 static size_t
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1760 ngx_quic_create_max_stream_data(u_char *p, ngx_quic_max_stream_data_frame_t *ms)
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1761 {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1762 size_t len;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1763 u_char *start;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1764
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1765 if (p == NULL) {
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1766 len = ngx_quic_varint_len(NGX_QUIC_FT_MAX_STREAM_DATA);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1767 len += ngx_quic_varint_len(ms->id);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1768 len += ngx_quic_varint_len(ms->limit);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1769 return len;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1770 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1771
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1772 start = p;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1773
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1774 ngx_quic_build_int(&p, NGX_QUIC_FT_MAX_STREAM_DATA);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1775 ngx_quic_build_int(&p, ms->id);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1776 ngx_quic_build_int(&p, ms->limit);
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1777
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1778 return p - start;
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1779 }
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1780
f92e583fc256 Better flow control and buffering for QUIC streams.
Roman Arutyunyan <arut@nginx.com>
parents: 8264
diff changeset
1781
8338
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1782 static size_t
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1783 ngx_quic_create_max_data(u_char *p, ngx_quic_max_data_frame_t *md)
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1784 {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1785 size_t len;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1786 u_char *start;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1787
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1788 if (p == NULL) {
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1789 len = ngx_quic_varint_len(NGX_QUIC_FT_MAX_DATA);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1790 len += ngx_quic_varint_len(md->max_data);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1791 return len;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1792 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1793
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1794 start = p;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1795
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1796 ngx_quic_build_int(&p, NGX_QUIC_FT_MAX_DATA);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1797 ngx_quic_build_int(&p, md->max_data);
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1798
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1799 return p - start;
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1800 }
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1801
0f9e9786b90d Added primitive flow control mechanisms.
Vladimir Homutov <vl@nginx.com>
parents: 8333
diff changeset
1802
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1803 static size_t
8738
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1804 ngx_quic_create_path_challenge(u_char *p, ngx_quic_path_challenge_frame_t *pc)
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1805 {
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1806 size_t len;
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1807 u_char *start;
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1808
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1809 if (p == NULL) {
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1810 len = ngx_quic_varint_len(NGX_QUIC_FT_PATH_CHALLENGE);
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1811 len += sizeof(pc->data);
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1812 return len;
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1813 }
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1814
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1815 start = p;
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1816
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1817 ngx_quic_build_int(&p, NGX_QUIC_FT_PATH_CHALLENGE);
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1818 p = ngx_cpymem(p, &pc->data, sizeof(pc->data));
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1819
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1820 return p - start;
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1821 }
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1822
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1823
47e0009e53a7 QUIC: PATH_CHALLENGE frame creation.
Vladimir Homutov <vl@nginx.com>
parents: 8710
diff changeset
1824 static size_t
8531
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1825 ngx_quic_create_path_response(u_char *p, ngx_quic_path_challenge_frame_t *pc)
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1826 {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1827 size_t len;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1828 u_char *start;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1829
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1830 if (p == NULL) {
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1831 len = ngx_quic_varint_len(NGX_QUIC_FT_PATH_RESPONSE);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1832 len += sizeof(pc->data);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1833 return len;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1834 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1835
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1836 start = p;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1837
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1838 ngx_quic_build_int(&p, NGX_QUIC_FT_PATH_RESPONSE);
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1839 p = ngx_cpymem(p, &pc->data, sizeof(pc->data));
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1840
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1841 return p - start;
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1842 }
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1843
4ff2a0b747d1 QUIC: handle PATH_CHALLENGE frame.
Roman Arutyunyan <arut@nginx.com>
parents: 8528
diff changeset
1844
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1845 static size_t
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1846 ngx_quic_create_new_connection_id(u_char *p, ngx_quic_new_conn_id_frame_t *ncid)
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1847 {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1848 size_t len;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1849 u_char *start;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1850
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1851 if (p == NULL) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1852 len = ngx_quic_varint_len(NGX_QUIC_FT_NEW_CONNECTION_ID);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1853 len += ngx_quic_varint_len(ncid->seqnum);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1854 len += ngx_quic_varint_len(ncid->retire);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1855 len++;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1856 len += ncid->len;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1857 len += NGX_QUIC_SR_TOKEN_LEN;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1858 return len;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1859 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1860
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1861 start = p;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1862
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1863 ngx_quic_build_int(&p, NGX_QUIC_FT_NEW_CONNECTION_ID);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1864 ngx_quic_build_int(&p, ncid->seqnum);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1865 ngx_quic_build_int(&p, ncid->retire);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1866 *p++ = ncid->len;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1867 p = ngx_cpymem(p, ncid->cid, ncid->len);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1868 p = ngx_cpymem(p, ncid->srt, NGX_QUIC_SR_TOKEN_LEN);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1869
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1870 return p - start;
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1871 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1872
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1873
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1874 static size_t
8538
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1875 ngx_quic_create_retire_connection_id(u_char *p,
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1876 ngx_quic_retire_cid_frame_t *rcid)
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1877 {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1878 size_t len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1879 u_char *start;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1880
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1881 if (p == NULL) {
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1882 len = ngx_quic_varint_len(NGX_QUIC_FT_RETIRE_CONNECTION_ID);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1883 len += ngx_quic_varint_len(rcid->sequence_number);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1884 return len;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1885 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1886
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1887 start = p;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1888
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1889 ngx_quic_build_int(&p, NGX_QUIC_FT_RETIRE_CONNECTION_ID);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1890 ngx_quic_build_int(&p, rcid->sequence_number);
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1891
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1892 return p - start;
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1893 }
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1894
3afaaaa930ab QUIC: added support for multiple connection IDs.
Vladimir Homutov <vl@nginx.com>
parents: 8537
diff changeset
1895
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1896 ssize_t
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1897 ngx_quic_create_transport_params(u_char *pos, u_char *end, ngx_quic_tp_t *tp,
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1898 size_t *clen)
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1899 {
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1900 u_char *p;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1901 size_t len;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1902
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1903 #define ngx_quic_tp_len(id, value) \
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1904 ngx_quic_varint_len(id) \
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1905 + ngx_quic_varint_len(value) \
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1906 + ngx_quic_varint_len(ngx_quic_varint_len(value))
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1907
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1908 #define ngx_quic_tp_vint(id, value) \
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1909 do { \
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1910 ngx_quic_build_int(&p, id); \
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1911 ngx_quic_build_int(&p, ngx_quic_varint_len(value)); \
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1912 ngx_quic_build_int(&p, value); \
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1913 } while (0)
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1914
8416
78e362f0b081 Introduced macros for building length-value transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1915 #define ngx_quic_tp_strlen(id, value) \
78e362f0b081 Introduced macros for building length-value transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1916 ngx_quic_varint_len(id) \
78e362f0b081 Introduced macros for building length-value transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1917 + ngx_quic_varint_len(value.len) \
78e362f0b081 Introduced macros for building length-value transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1918 + value.len
78e362f0b081 Introduced macros for building length-value transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1919
78e362f0b081 Introduced macros for building length-value transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1920 #define ngx_quic_tp_str(id, value) \
78e362f0b081 Introduced macros for building length-value transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1921 do { \
78e362f0b081 Introduced macros for building length-value transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1922 ngx_quic_build_int(&p, id); \
78e362f0b081 Introduced macros for building length-value transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1923 ngx_quic_build_int(&p, value.len); \
78e362f0b081 Introduced macros for building length-value transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1924 p = ngx_cpymem(p, value.data, value.len); \
78e362f0b081 Introduced macros for building length-value transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1925 } while (0)
78e362f0b081 Introduced macros for building length-value transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
1926
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1927 p = pos;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1928
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1929 len = ngx_quic_tp_len(NGX_QUIC_TP_INITIAL_MAX_DATA, tp->initial_max_data);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1930
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1931 len += ngx_quic_tp_len(NGX_QUIC_TP_INITIAL_MAX_STREAMS_UNI,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1932 tp->initial_max_streams_uni);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1933
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1934 len += ngx_quic_tp_len(NGX_QUIC_TP_INITIAL_MAX_STREAMS_BIDI,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1935 tp->initial_max_streams_bidi);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1936
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1937 len += ngx_quic_tp_len(NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_LOCAL,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1938 tp->initial_max_stream_data_bidi_local);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1939
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1940 len += ngx_quic_tp_len(NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_REMOTE,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1941 tp->initial_max_stream_data_bidi_remote);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1942
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1943 len += ngx_quic_tp_len(NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_UNI,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1944 tp->initial_max_stream_data_uni);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1945
8277
50db7ce374b7 Advertise our max_idle_timeout in transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8275
diff changeset
1946 len += ngx_quic_tp_len(NGX_QUIC_TP_MAX_IDLE_TIMEOUT,
50db7ce374b7 Advertise our max_idle_timeout in transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8275
diff changeset
1947 tp->max_idle_timeout);
50db7ce374b7 Advertise our max_idle_timeout in transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8275
diff changeset
1948
8700
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1949 len += ngx_quic_tp_len(NGX_QUIC_TP_MAX_UDP_PAYLOAD_SIZE,
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1950 tp->max_udp_payload_size);
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1951
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1952 if (tp->disable_active_migration) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1953 len += ngx_quic_varint_len(NGX_QUIC_TP_DISABLE_ACTIVE_MIGRATION);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1954 len += ngx_quic_varint_len(0);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1955 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
1956
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1957 len += ngx_quic_tp_len(NGX_QUIC_TP_ACTIVE_CONNECTION_ID_LIMIT,
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1958 tp->active_connection_id_limit);
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
1959
8700
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1960 /* transport parameters listed above will be saved in 0-RTT context */
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1961 if (clen) {
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1962 *clen = len;
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1963 }
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1964
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1965 len += ngx_quic_tp_len(NGX_QUIC_TP_MAX_ACK_DELAY,
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1966 tp->max_ack_delay);
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1967
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1968 len += ngx_quic_tp_len(NGX_QUIC_TP_ACK_DELAY_EXPONENT,
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1969 tp->ack_delay_exponent);
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
1970
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1971 len += ngx_quic_tp_strlen(NGX_QUIC_TP_ORIGINAL_DCID, tp->original_dcid);
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1972 len += ngx_quic_tp_strlen(NGX_QUIC_TP_INITIAL_SCID, tp->initial_scid);
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1973
8421
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
1974 if (tp->retry_scid.len) {
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
1975 len += ngx_quic_tp_strlen(NGX_QUIC_TP_RETRY_SCID, tp->retry_scid);
8421
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
1976 }
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
1977
8634
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1978 len += ngx_quic_varint_len(NGX_QUIC_TP_SR_TOKEN);
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1979 len += ngx_quic_varint_len(NGX_QUIC_SR_TOKEN_LEN);
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
1980 len += NGX_QUIC_SR_TOKEN_LEN;
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
1981
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1982 if (pos == NULL) {
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1983 return len;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1984 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1985
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1986 ngx_quic_tp_vint(NGX_QUIC_TP_INITIAL_MAX_DATA,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1987 tp->initial_max_data);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1988
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1989 ngx_quic_tp_vint(NGX_QUIC_TP_INITIAL_MAX_STREAMS_UNI,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1990 tp->initial_max_streams_uni);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1991
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1992 ngx_quic_tp_vint(NGX_QUIC_TP_INITIAL_MAX_STREAMS_BIDI,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1993 tp->initial_max_streams_bidi);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1994
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1995 ngx_quic_tp_vint(NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_LOCAL,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1996 tp->initial_max_stream_data_bidi_local);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1997
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1998 ngx_quic_tp_vint(NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_REMOTE,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
1999 tp->initial_max_stream_data_bidi_remote);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
2000
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
2001 ngx_quic_tp_vint(NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_UNI,
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
2002 tp->initial_max_stream_data_uni);
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
2003
8277
50db7ce374b7 Advertise our max_idle_timeout in transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8275
diff changeset
2004 ngx_quic_tp_vint(NGX_QUIC_TP_MAX_IDLE_TIMEOUT,
50db7ce374b7 Advertise our max_idle_timeout in transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8275
diff changeset
2005 tp->max_idle_timeout);
50db7ce374b7 Advertise our max_idle_timeout in transport parameters.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8275
diff changeset
2006
8700
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
2007 ngx_quic_tp_vint(NGX_QUIC_TP_MAX_UDP_PAYLOAD_SIZE,
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
2008 tp->max_udp_payload_size);
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
2009
8628
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
2010 if (tp->disable_active_migration) {
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
2011 ngx_quic_build_int(&p, NGX_QUIC_TP_DISABLE_ACTIVE_MIGRATION);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
2012 ngx_quic_build_int(&p, 0);
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
2013 }
45db1b5c1706 QUIC: connection multiplexing per port.
Roman Arutyunyan <arut@nginx.com>
parents: 8625
diff changeset
2014
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
2015 ngx_quic_tp_vint(NGX_QUIC_TP_ACTIVE_CONNECTION_ID_LIMIT,
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
2016 tp->active_connection_id_limit);
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8421
diff changeset
2017
8700
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
2018 ngx_quic_tp_vint(NGX_QUIC_TP_MAX_ACK_DELAY,
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
2019 tp->max_ack_delay);
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
2020
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
2021 ngx_quic_tp_vint(NGX_QUIC_TP_ACK_DELAY_EXPONENT,
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
2022 tp->ack_delay_exponent);
75603531064a QUIC: updated list of transport parameters to be sent.
Vladimir Homutov <vl@nginx.com>
parents: 8699
diff changeset
2023
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
2024 ngx_quic_tp_str(NGX_QUIC_TP_ORIGINAL_DCID, tp->original_dcid);
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
2025 ngx_quic_tp_str(NGX_QUIC_TP_INITIAL_SCID, tp->initial_scid);
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
2026
8421
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
2027 if (tp->retry_scid.len) {
8417
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8416
diff changeset
2028 ngx_quic_tp_str(NGX_QUIC_TP_RETRY_SCID, tp->retry_scid);
8421
c206233d9c29 Fixed transport parameters on a new connection with a valid token.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
2029 }
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8370
diff changeset
2030
8634
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2031 ngx_quic_build_int(&p, NGX_QUIC_TP_SR_TOKEN);
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2032 ngx_quic_build_int(&p, NGX_QUIC_SR_TOKEN_LEN);
831d1960826f QUIC: generate default stateless reset token key.
Roman Arutyunyan <arut@nginx.com>
parents: 8628
diff changeset
2033 p = ngx_cpymem(p, tp->sr_token, NGX_QUIC_SR_TOKEN_LEN);
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
2034
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
2035 return p - pos;
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
2036 }
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
2037
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
2038
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8244
diff changeset
2039 static size_t
8692
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8678
diff changeset
2040 ngx_quic_create_close(u_char *p, ngx_quic_frame_t *f)
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2041 {
8692
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8678
diff changeset
2042 size_t len;
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8678
diff changeset
2043 u_char *start;
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8678
diff changeset
2044 ngx_quic_close_frame_t *cl;
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8678
diff changeset
2045
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8678
diff changeset
2046 cl = &f->u.close;
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2047
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2048 if (p == NULL) {
8692
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8678
diff changeset
2049 len = ngx_quic_varint_len(f->type);
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2050 len += ngx_quic_varint_len(cl->error_code);
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8447
diff changeset
2051
8692
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8678
diff changeset
2052 if (f->type != NGX_QUIC_FT_CONNECTION_CLOSE_APP) {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8447
diff changeset
2053 len += ngx_quic_varint_len(cl->frame_type);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8447
diff changeset
2054 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8447
diff changeset
2055
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2056 len += ngx_quic_varint_len(cl->reason.len);
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2057 len += cl->reason.len;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2058
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2059 return len;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2060 }
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2061
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2062 start = p;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2063
8692
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8678
diff changeset
2064 ngx_quic_build_int(&p, f->type);
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2065 ngx_quic_build_int(&p, cl->error_code);
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8447
diff changeset
2066
8692
0697294f79a4 QUIC: removed redundant "app" flag from ngx_quic_close_frame_t.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8678
diff changeset
2067 if (f->type != NGX_QUIC_FT_CONNECTION_CLOSE_APP) {
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8447
diff changeset
2068 ngx_quic_build_int(&p, cl->frame_type);
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8447
diff changeset
2069 }
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8447
diff changeset
2070
8235
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2071 ngx_quic_build_int(&p, cl->reason.len);
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2072 p = ngx_cpymem(p, cl->reason.data, cl->reason.len);
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2073
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2074 return p - start;
552d6868091b Implemented send_alert callback, CONNECTION_CLOSE writer.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8231
diff changeset
2075 }
8676
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
2076
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
2077
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
2078 void
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
2079 ngx_quic_dcid_encode_key(u_char *dcid, uint64_t key)
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
2080 {
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
2081 (void) ngx_quic_write_uint64(dcid, key);
7df607cb2d11 QUIC: ngx_quic_bpf module.
Vladimir Homutov <vl@nginx.com>
parents: 8673
diff changeset
2082 }